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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Rubber, vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 2:Compression flexometer
WITHDRAWN published on 30.12.1993
Selected format:Asparagus cold storage technique
WITHDRAWN published on 16.6.1997
Selected format:Mullet standard for parent fish and fingerling
WITHDRAWN published on 16.6.1997
Selected format:Seedling of farrer""s scallop
WITHDRAWN published on 16.6.1997
Selected format:Scattered mirror carp
WITHDRAWN published on 16.6.1997
Selected format:Fangzheng crucian carp
WITHDRAWN published on 16.6.1997
Selected format:The red carp of Xingguo
WITHDRAWN published on 16.6.1997
Selected format:Test methods for interspace vacuum of liquid nitrogen containers
WITHDRAWN published on 16.6.1997
Selected format:Prohibition and scrapping for tractors
WITHDRAWN published on 16.6.1997
Selected format:Rubber, vulcanized—Determination of tension fatigue
WITHDRAWN published on 24.11.1986
Selected format:Latest update: 2026-02-01 (Number of items: 2 258 192)
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